JPH0277948U - - Google Patents

Description

[Brief explanation of drawings]

Figures 1a and 1b are sectional views of essential parts of a telephone according to an embodiment of the present invention, Figure 1a is a longitudinal sectional view showing the handset placed on the stand, and Figure 1b is the stand and handset. FIG. Figure 2 is a diagram showing the amount of audio signal level deterioration during on-hook and off-hook calls;
Figure a shows the shape of an embodiment of the connection terminal which is installed in the telephone of the present invention as a means for preventing voice signal level drop, and Figure 3b shows the connection terminal of Figure 3a installed on a handset and a stand. FIG. 4a is a diagram showing the shape of the second embodiment of the connection terminal, and FIG. 4b is a diagram of an embodiment in which the connection terminal of FIG. 5a is a diagram showing the shape of a third embodiment of the connection terminal, FIG. 5b is a diagram showing an embodiment in which the connection terminal of FIG. 5a is installed on a handset and a stand, 7 is a front cross-sectional view of the telephone of the present invention, FIG. 8 is a diagram showing an example of the application of the telephone of the present invention, and FIG. 9 is a diagram of an embodiment of the telephone of the present invention. FIG. 7 is a diagram showing a second application example of the telephone according to the invention. 10: Telephone, 20: Handset, 30: Stand,
40: Main body, 50: Curl cord, 204a, 2
04b: Connection terminal, 304a, 304b: Connection terminal, 206: Speaker, 402: Speaker amplifier.

Claims (1)

[Claims for Utility Model Registration] (1) A speaker amplifier that outputs an audio signal in response to a received signal, a speaker to which the audio signal output from the speaker amplifier is supplied, and a connection between the speaker amplifier and the speaker. 1. A telephone set comprising: a curl cord that connects the speaker amplifier and the speaker when on-hook, and audio signal level drop prevention means that short-circuits the curl cord. (2) The telephone set according to claim 1, comprising a main body, a handset containing the speaker, and a stand on which the handset is placed. (3) The telephone set according to claim 2, wherein the speaker amplifier is built into either the main body or the stand. (4) The audio level drop prevention means is composed of a positive and negative connection terminal provided on the handset and a positive and negative connection terminal provided on the stand, and when on-hook, the positive and negative connection terminals provided on the handset are connected. and positive and negative connection terminals provided on the mounting base are in contact with each other to connect the speaker amplifier and the speaker,
The telephone described in 2 or 3. (5) The device according to claim 4, wherein one of the connection terminals provided on the handset and the connection terminal provided on the stand is formed in a flat rectangular shape and the other in a flat spring shape. telephone. (6) The device according to claim 4, wherein one of the connection terminals provided on the handset and the connection terminal provided on the stand has a flat circular shape and the other has a conical projection. telephone. (7) The device according to claim 4, wherein one of the connection terminals provided on the handset and the connection terminal provided on the stand has a flat rectangular shape and the other has a pin-like protrusion. telephone. (8) Either the handset or the stand has a convex portion formed thereon, and the other side has a concave portion that engages with the convex portion when on-hook, and is connected to a connecting terminal provided on the handset. 5. The telephone set according to claim 4, wherein one of the connection terminals provided on the stand is provided at the tip of the protrusion, and the other is provided on the bottom surface of the recess.